True about the pulley.... Your undampened clutch sends a nice shock down the line too; That's not going to do it by itself on a rebuilt engine, but your issues may be cumulative.
I just want to reemphasize, an undampened crank pulley and an unsprung clutch aren't going to keep killing a new engine, not unless something seriously out of balance. I agree that an oiling issue is most likely the primary culprit.
What oil are you running and how are you breaking the engine in? Are you running a stock flywheel and was it resurfaced?
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Last edited by cre; 11-05-2011 at 11:55 PM.
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